distress frequencies

英 [distress frequencies]
美 [distress frequencies]

中文释义

distress frequency 【电信学】遇险频率，遇难呼救频率

单词分析

单词结构：

distress frequencies

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：distress frequencies
  • 核心含义：distress frequency 【电信学】遇险频率，遇难呼救频率

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更新时间：2026-01-17 04:46:37